// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package translator

import (
	"errors"

	"github.com/gocql/gocql"

	"go.temporal.io/server/common/config"
)

var (
	ErrInvalidTranslatorPluginName = errors.New("translator_plugin: invalid translator plugin requested")
	translators                    = map[string]TranslatorPlugin{}
)

type (
	// TranslatorPlugin interface for Cassandra address translation mechanism
	TranslatorPlugin interface {
		GetTranslator(*config.Cassandra) (gocql.AddressTranslator, error)
	}
)

// RegisterPlugin adds an auth plugin to the plugin registry
// it is only safe to use from a package init function
func RegisterTranslator(name string, plugin TranslatorPlugin) {
	translators[name] = plugin
}

func LookupTranslator(name string) (TranslatorPlugin, error) {
	plugin, ok := translators[name]
	if !ok {
		return nil, ErrInvalidTranslatorPluginName
	}

	return plugin, nil
}
